A Zora from Sea Zora Village asks you to help him find something to securely store his treasure underwater.
Where to Start the Quest
Go into Sea Zora Village, which is in the eastern half of Zora Cove. You will find Zora Cove east of Hyrule Castle Town. Talk to the Zora just inside the village to start the quest.
How to Complete the Quest
There is a treasure chest behind a broken wall near the Seesyde Village waypoint. Bind to it and take it to the Zora. Place it in front of the Zora and there will be a cutscene.
Quest Reward
You receive 3 monster stones for completing the quest.